package com.usian.article.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.usian.article.mapper.AuthorMapper;
import com.usian.article.service.AuthorService;
import com.usian.model.article.pojos.ApAuthor;
import com.usian.model.common.dtos.ResponseResult;
import com.usian.model.common.enums.AppHttpCodeEnum;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class AuthorServiceImpl extends ServiceImpl<AuthorMapper, ApAuthor> implements AuthorService {
    @Override
    public ApAuthor findByUserId(Integer userId) {
        LambdaQueryWrapper<ApAuthor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(ApAuthor::getUserId,userId);
        List<ApAuthor> list = list(lambdaQueryWrapper);
        if (list.size()>0){
            return list.get(0);
        }
        return null;
    }

    @Override
    public ResponseResult insert(ApAuthor apAuthor) {
        //1.参数检查
        if(apAuthor == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

        //2.保存
        save(apAuthor);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

}
